[jira] Updated: (HADOOP-3754) Support a Thrift Interface to access files/directories in HDFS

["dhruba borthakur (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HADOOP-3754?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

dhruba borthakur updated HADOOP-3754:
-------------------------------------

    Attachment: thrift1.patch

This patch exposes a Thrift API from the FileSystem client. This is not the most optimal solution. A better and more-performant solution would be to expose Thrift APIs from the Datanode and NameNode directly. 

This patch  requires that a FileSystemClientProxy server be started to expose the Thrift API. The code is, at  this point, more a demonstration and proof-of-concept, rather than a finished piece of development. The Thrift API is a subset of the FileSystem API at present.

The Hadoop Thrift API is in src/contrib/thrift/if. Running "ant package" should compile all that is required. The FileSystemProxyClient can be started by running src/contrib/thrift/start_thrift_server.sh. There is a python command line interface hdfs.py that is used to demonstrate that a python client can use the Thrift FileSystem API.

More information about thrift can be found at http://incubator.apache.org/thrift/index.html



> Support a Thrift Interface to access files/directories in HDFS
> --------------------------------------------------------------
>
>                 Key: HADOOP-3754
>                 URL: https://issues.apache.org/jira/browse/HADOOP-3754
>             Project: Hadoop Core
>          Issue Type: New Feature
>            Reporter: dhruba borthakur
>            Assignee: dhruba borthakur
>         Attachments: thrift1.patch
>
>
> Thrift is a cross-language RPC framework. It supports automatic code generation for a variety of languages (Java, C++, python, PHP, etc) It would be nice if HDFS APIs are exposed though Thirft. It will allow applications written in any programming language to access HDFS.

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